Dr. Charles L. Powell

Dr. Natalya Sebastian is a native of Oklahoma City. She is board certified in family medicine and also holds a Master of Public Health from the University of Oklahoma College of Public Health in Oklahoma City. Dr. Sebastian has long been an advocate for health care initiatives in underserved communities. Her areas of clinical focus include the care and management of chronic conditions such as diabetes and asthma, pediatric dermatology and mental health. She previously served as a high school team physician in San Benito, Texas and volunteered with the Oklahoma Medical Reserve Corps to provide aid in times of emergency and disaster.Dr. Sebastian earned her medical degree from the University of Oklahoma School of Community Medicine in Oklahoma City and Tulsa. She completed her family medicine residency at Valley Baptist Medical Center in Harlingen, Texas. Dr. Sebastian is a member of the American Academy of Family Physicians and American Medical Association. Outside of work, she enjoys crafting, photography and training dogs. Dr. Sebastian is rated as an Advanced provider by MediFind in the treatment of Congenital Hemolytic Anemia. Her top areas of expertise are Infant Hyperglycemia, Hypothyroidism, Familial Combined Hyperlipidemia, and Xanthoma.

Humberto Lopez is a primary care provider, practicing in Family Medicine in Farmers Branch, Texas. Dr. Lopez is rated as an Advanced provider by MediFind in the treatment of Congenital Hemolytic Anemia. His top areas of expertise are Cirrhosis, Familial Combined Hyperlipidemia, Xanthoma, and Obesity.

David Garza is a primary care provider, practicing in Family Medicine in Plano, Texas. Dr. Garza is rated as a Distinguished provider by MediFind in the treatment of Congenital Hemolytic Anemia. His top areas of expertise are Cirrhosis, Familial Combined Hyperlipidemia, Xanthoma, and Subacute Combined Degeneration.